macromolecules

简明释义

英[ˌmækrəʊˈmɒlɪˌkjuːlz]美[ˈmækroʊˈmɑːlɪkjuːlz]

n. [化学]大分子；[高分子]高分子；巨分子（macromolecule 的复数）

英英释义

单词用法

同义词

反义词

例句

1.This paper has described the application branched macromolecules in coatings and predicted its development trend in the future.

本文介绍了树枝形大分子在涂料领域中的应用，并分析了其在涂料领域的发展趋势。

2.Details of the work are in a paper published this week in the American Chemical Society journal Macromolecules.

此项工作的详情可以参见本周出版的美国化学学会大分子杂志的相关报导。

3.In this manner, the target macromolecules and colloids are counted.

在这种方式下，目标大分子和胶体计算在内。

4.The conformation transition of macromolecules is a very important problem, because it is the groundwork of understanding life phenomena at all levels.

大分子的构象转变问题，作为人类认识生命现象的基础，是当前生命科学研究的热点问题之一。

5.The future of high temperature organic solids lies with intrinsically rigid, linear macromolecules.

高温有机物固体的前途在于它具有真正刚硬，线型的大分子。

6.The latest advance in the study of the macromolecular structure and macromolecules stacking structure of coals were reviewed.

评述了关于煤大分子结构和煤大分子堆垛结构研究的最新进展。

7.The cell membrane is the main barrier for the macromolecules entering into a cell.

细胞膜是细胞外大分子进入细胞的主要屏障。

8.The edema induced by glioma cells may not be the result of hyperpermeability of blood CSF barrier to macromolecules in plasma.

胶质瘤性脑水肿不一定是血浆等大分子物质通透性增加的结果。

9.Lipids are essential macromolecules that store energy and form cell membranes.

脂质是必需的大分子，它们储存能量并形成细胞膜。

10.Nucleic acids, such as DNA and RNA, are vital macromolecules for genetic information storage.

核酸，如DNA和RNA，是存储遗传信息的重要大分子。

11.Carbohydrates, another class of macromolecules, provide energy to living organisms.

碳水化合物，另一类大分子，为生物体提供能量。

12.The study of macromolecules is fundamental to understanding biochemistry.

研究大分子是理解生物化学的基础。

13.Proteins are one of the most important types of macromolecules, playing crucial roles in biological processes.

蛋白质是最重要的大分子之一，在生物过程中发挥着至关重要的作用。

作文

Macromolecules are large, complex molecules that play critical roles in biological processes. They are the building blocks of life and are essential for the structure and function of cells. The four primary types of macromolecules (大分子) in living organisms are carbohydrates, proteins, nucleic acids, and lipids. Each type of macromolecule (大分子) has unique properties and functions that contribute to the overall functioning of biological systems.Carbohydrates are one of the most common types of macromolecules (大分子). They are composed of carbon, hydrogen, and oxygen, and they serve as a primary energy source for living organisms. Simple sugars, such as glucose, are basic units of carbohydrates, while complex carbohydrates, like starch and cellulose, are formed by long chains of sugar molecules. These complex macromolecules (大分子) provide energy storage and structural support in plants.Proteins, another vital category of macromolecules (大分子), are made up of amino acids linked together by peptide bonds. There are 20 different amino acids that can combine in various sequences to form thousands of different proteins. Each protein has a specific shape and function, which is determined by its amino acid sequence. Proteins are involved in numerous biological processes, including catalyzing biochemical reactions as enzymes, providing structural support in cells and tissues, and regulating cellular functions through signaling.Nucleic acids, such as DNA and RNA, are also classified as macromolecules (大分子). DNA carries the genetic information necessary for the growth, development, and reproduction of all living organisms. It is composed of nucleotides, which consist of a sugar, a phosphate group, and a nitrogenous base. RNA plays a crucial role in translating the genetic code into proteins. Both DNA and RNA are essential for heredity and the regulation of cellular activities.Lipids, the fourth type of macromolecules (大分子), include fats, oils, and phospholipids. They are primarily hydrophobic, meaning they do not mix well with water. Lipids serve several important functions, including energy storage, insulation, and forming cell membranes. Phospholipids, in particular, are crucial for creating the lipid bilayer that makes up cell membranes, allowing cells to maintain their internal environment while interacting with the external world.Understanding the structure and function of macromolecules (大分子) is fundamental to the field of biochemistry and molecular biology. Researchers study these large molecules to uncover how they interact with one another and contribute to the complexity of life. For instance, the way proteins fold into their functional shapes is a key area of research, as misfolded proteins can lead to diseases such as Alzheimer's and cystic fibrosis.In conclusion, macromolecules (大分子) are integral to the structure and function of all living organisms. Their diverse roles, from energy provision to genetic information storage, highlight the complexity and interconnectivity of biological systems. A deeper understanding of these large molecules not only enhances our knowledge of life processes but also opens up avenues for medical and technological advancements.